| Date | Value |
|---|---|
| Feb 7, 2023 16:30 | 0.06 ppm |
| Jan 7, 2023 14:29 | 0.08 ppm |
| Dec 28, 2022 17:56 | 0.06 ppm |
| Dec 12, 2022 14:44 | 0.05 ppm |
| Dec 2, 2022 13:02 | 0.05 ppm |
| Nov 22, 2022 14:17 | 0.05 ppm |
| Nov 2, 2022 12:41 | 0.02 ppm |
| Oct 29, 2022 14:56 | 0.00 ppm |
| Oct 25, 2022 15:10 | 0.05 ppm |
| Oct 19, 2022 12:55 | 0.05 ppm |
| Oct 12, 2022 13:28 | 0.05 ppm |
| Sep 26, 2022 12:41 | 0.05 ppm |
| Sep 16, 2022 17:12 | 0.04 ppm |